5PCS CHI03-S-112DA2 12VDC Power Relay 17A SPST-NO 6-Pin Sealed PCB Mount Electromagnetic Relay, 400mW Coil, Replacement Module Relay, Confirm Fit by Part No.

아마존 달러(USD) 가격을 각 날짜의 환율로 원화 환산해 표시합니다. 현재 환율 $1 = ₩1,449 (2026-07-30 기준)

상품 특징

• Specs (confirm by part number): CHI03-S-112DA2 power relay with 12VDC coil (non-latching), 400mW coil power (approx. 360Ω / 33.3mA). Contact form SPST-NO (1 Form A / normally open). Rated up to 17A (resistive) at 277VAC / 30VDC; switching voltage up to 277V; max switching power listed 5540VA / 600W. 6 terminals (PC pin), PCB mount, sealed cover. Contact material AgSnO2; insulation resistance 1GΩ; operating temp -40°C to +105°C; max height about 15.3mm; mechanical endurance 10,000,000 ops (no load). Part No.: CHI03-S-112DA2.
• Install tips: Disconnect the battery/power before service. This is a PCB-mount relay (not a plug-in blade relay) and is typically soldered to a control board inside a module. Before ordering, match (1) the marking CHI03-S-112DA2, (2) coil voltage 12VDC, (3) contact form SPST-NO, and (4) 6-pin footprint/orientation. During replacement, use proper desoldering to avoid lifting pads, fully wet all solder joints, and clean flux; after install, test for an audible click and verify contact continuity under load. If your circuit draws near 17A, confirm the PCB traces/connectors and fuse are rated for the current and repair any heat-damaged terminals.
• Fitment verification (no guesswork): Confirm the exact part number CHI03-S-112DA2 on your old relay/PCB and verify key specs (12V coil, SPST-NO, 6 terminals) with your vehicle manual or module markings before purchase. If your original relay is a different coil voltage (e.g., 5V/24V) or a SPDT version, do not substitute—order the matching number/spec only.
• Troubleshooting help: A worn or heat-damaged relay can cause intermittent power to an electrical load, no-switch/failed actuation, rapid clicking (chatter), or localized overheating on the PCB. Diagnose the control signal and load current first; replace any heat-damaged terminals, connectors, or fuses along with the relay when needed.
• Related parts note: The CHI03 series includes multiple coil-voltage options and contact versions—always choose by the marking on your relay. Keeping a spare can reduce downtime for module repairs, but parts with the same footprint and a different coil voltage are NOT interchangeable.

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